Compral

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Compral

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Compral

Property Description
Active Ingredients Aspirin, Paracetamol, Caffeine
Form Tablet (Oral Dosage Form)
Pharmacological Class Analgesic and Antipyretic Combination
Common Use Symptomatic relief of pain and fever
Origin Synthetic Compound Drug

Compral: Definition and Fixed-Dose Classification

Compral is defined as a synthetic compound drug belonging to the high-level pharmacological class of analgesic and antipyretic combinations. It is a fixed-dose combination product, typically available as an oral dosage form tablet. This classification means it combines multiple active ingredients into a single pill, a structure utilized in treating general malaise. Unlike many single-agent medicines, Compral is positioned as a comprehensive solution for initial symptomatic relief.


What are the Active Ingredients in Compral?

The composition of Compral includes three distinct active ingredients: Aspirin (Acetylsalicylic Acid), Paracetamol (Acetaminophen), and Caffeine (1,3,7-Trimethylxanthine). Aspirin provides action as a Nonsteroidal Anti-inflammatory Drug (NSAID), while Paracetamol acts as an established analgesic and antipyretic. The final component, Caffeine, is included as a CNS Stimulant adjuvant.

The inclusion of caffeine is a strategy used to enhance the pain-relieving effects of both Aspirin and Paracetamol. In this combination, caffeine helps to strengthen the effectiveness of the two main pain relievers. This specific triple-ingredient blend is Compral's key differentiating factor, intended for the prompt relief of discomfort associated with common conditions.


General Purpose: Why Use a Triple-Component Formula?

The general purpose of this triple-component formula is to provide efficient and broad symptomatic relief for pain and the reduction of elevated body temperature (fever). The formula relies on a synergistic effect, where the Caffeine component provides potentiation, accelerating and strengthening the efficacy of the Aspirin and Paracetamol. For instance, it is typically used for relief when a patient experiences both a headache and fever simultaneously. By combining peripheral anti-inflammatory action with central pain and temperature control, the formula targets discomfort through multiple pathways simultaneously, which is a key advantage of a fixed-dose combination.

What side effects are possible with Compral?

Adverse Reactions and Safety Profile

Official regulatory documents categorize the potential risks associated with Compral (Acamprosate or Paracetamol/Aspirin/Caffeine-based product) into common and serious adverse effects, affecting multiple body systems.

Common Adverse Reactions (Gastrointestinal and Nervous System Focus):

The most commonly reported adverse events include diarrhea (often very common), abdominal pain, nausea, and flatulence, affecting the gastrointestinal system. Central nervous system effects frequently reported are depression, anxiety, sleep problems (insomnia), and dizziness. Skin reactions, such as pruritus (itching) and maculopapular rash, are also documented.

Serious and Clinically Significant Risks:

Safety warnings emphasize the potential for suicidal thoughts and tendencies or worsening depression, requiring patient monitoring. For the Paracetamol/Aspirin/Caffeine formulation, risks include severe cutaneous adverse reactions (Stevens-Johnson Syndrome, Toxic Epidermal Necrolysis), serious hypersensitivity reactions (e.g., bronchospasm), and gastrointestinal ulceration/bleeding, with the risk increasing in the elderly or with higher doses.

Key Restrictions and Population-Specific Limitations:

  • Renal Impairment: Contraindicated in patients with severe renal impairment (creatinine clearance le 30 mL/min). Dose adjustment is necessary for moderate impairment.
  • Pregnancy/Lactation: Contraindicated in the third trimester of pregnancy and in nursing women due to foetal and infant risks.
  • Concomitant Use: Patients should avoid using the product alongside other Paracetamol or NSAID-containing medicines due to the increased potential for toxicity and adverse effects, especially to the liver and kidneys.
  • Prolonged/Excessive Use: Excessive and chronic use may be dangerous, leading to outcomes such as metabolic acidosis and renal papillary necrosis.

The regulatory documentation structures the safety profile by highlighting common, manageable adverse reactions and emphasizing rare but serious risks that necessitate specific contraindications and patient monitoring, particularly concerning renal function and neuropsychiatric status.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdose with the Aspirin, Paracetamol, and Caffeine combination presents with a complex set of symptoms related to each active component, as documented in regulatory information.

Documented Manifestations and Severe Outcomes

Manifestations may include nausea, vomiting, and abdominal pain (Paracetamol component), along with tinnitus, tachypnea, and agitation (Aspirin and Caffeine components). Severe, life-threatening outcomes are documented and include hepatic failure (from Paracetamol), cerebral edema, and severe metabolic acidosis (from Aspirin toxicity). The overdose risk is noted as being greater in individuals with non-cirrhotic alcoholic liver disease.

Required Emergency Actions

Immediate medical attention is required in all suspected overdose cases. You must contact a Poison Control Center or emergency services immediately, even if no symptoms are noticed at first, because fatal liver damage can be delayed. The regulatory documents state that the antidote N-acetylcysteine must be administered promptly for the Paracetamol component. Specific supportive care is also described for the other components.

Therapeutic Uses of Compral

What Compral Treats: Main Uses and Benefits

This medication is commonly used across domains where short-term symptom management is appropriate, primarily for the temporary relief of pain and the reduction of fever. The medication is applicable within clinical settings that involve acute or disruptive symptom patterns.

It is primarily relevant for easing discomfort associated with tension-type headaches, the pain component of migraine, muscular aches, and menstrual cramps. The formula is applied in addressing the general malaise and elevated body temperature characteristic of febrile conditions, such as those that accompany the common cold or influenza. The overall benefit provides support that helps ease the overall symptom burden and supports general well-being during symptomatic phases.


Quick Fact: Relief for Headaches & Systemic Discomfort The combination is relevant for easing symptoms related to physical discomfort of mild to moderate intensity and symptoms related to systemic imbalance, such as fever.


Regulatory References

  1. DailyMed - NIH overview

Eligibility and Restrictions for Use

Official Eligibility and Contraindications

Regulatory documents define specific population eligibility for the combination product Compral (Aspirin, Paracetamol, Caffeine). Eligibility is fundamentally restricted by age and pre-existing medical conditions.

Populations For Whom Use is Contraindicated

Use of this medicine is absolutely prohibited for groups documented with the following criteria:

Classification Restricted Populations
Hypersensitivity Patients with known allergy to Aspirin, Paracetamol, Caffeine, or NSAIDs.
Gastrointestinal Patients with active peptic ulceration, GI bleeding, or a history of related perforation.
Organ Failure Patients with severe hepatic failure or severe renal impairment.
Bleeding Risk Patients with haemorrhagic disorders or haemophilia.
Pregnancy Patients in the third trimester of pregnancy.
Viral Illness Children and adolescents with flu-like symptoms or chickenpox (due to Reye's syndrome risk).

Age-Related Eligibility Rules

Regulatory labeling specifies age limits, largely driven by the Aspirin component's association with Reye's syndrome in children:

  • Adults and Adolescents: Generally eligible from 16 years of age (or 12 in some regions), provided no contraindications are present.
  • Children and Adolescents under 16: Use is not recommended or contraindicated across most regional labels, especially during viral illness.
  • Older Adults: Eligible, but regulatory documents advise use with caution.

Conditional or Restricted Use

Use is restricted or requires caution for patients with mild to moderate kidney or liver impairment, uncontrolled severe heart failure, or a history of asthma or gout. The medicine is not recommended for women who are breastfeeding.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile of Compral, a fixed-dose combination of Acetaminophen, Aspirin, and Caffeine, is defined by regulatory documents based on the potential for additive toxicity and altered drug exposure. This section details officially documented constraints on co-administration.


Contraindicated and Restricted Combinations

Category Regulatory Requirement
Other Acetaminophen Products Prohibited due to the severe risk of liver damage from exceeding the maximum daily dose.
Other NSAIDs (e.g., Ibuprofen) Prohibited due to the additive pharmacodynamic risk of severe gastrointestinal bleeding.
Alcohol (ge 3 drinks/day) Strictly Restricted; official labels note amplified risk of both liver damage and stomach bleeding.
Caffeine-Containing Products Use Must Be Limited due to the official risk of additive central nervous system stimulation (e.g., nervousness, rapid heartbeat).

Documented Pharmacological Interactions

Co-administration with certain drug classes may require caution as detailed in regulatory documents:

  • Anticoagulant Drugs and Steroids: Documented to increase the chance of severe stomach bleeding due to the Aspirin component, a risk noted as higher in patients aged 60 or older.
  • CYP2E1 Inducers: Substances that induce this metabolic pathway are documented to increase the hepatotoxic potential of the Acetaminophen component.
  • CYP1A2 Inhibitors: These agents may increase the plasma concentration of the Caffeine component by reducing its clearance.

All statements are strictly based on the interaction constraints and warnings found in official regulatory labeling.

Mechanism of Action

Compral's mechanism relies on a multi-target action. Aspirin and Paracetamol suppress the production of prostaglandins (PGs), chemical mediators responsible for sensitizing nerve endings and elevating the body's temperature set point. Aspirin achieves this by irreversibly inhibiting the COX enzymes both peripherally and centrally. Paracetamol contributes by preferentially inhibiting PG synthesis in the hypothalamus (the brain's thermoregulatory center), which modulates the elevated body temperature set point and decreases peripheral nociceptor sensitization. Paracetamol also acts centrally by modulating descending pain pathways, which involves the serotonergic system and the endocannabinoid system, increasing the body's pain threshold. Caffeine acts as a potentiator by functioning as a non-selective antagonist of adenosine receptors, which counteracts adenosine's role in nociceptive signaling. This potentiation, combined with enhanced absorption kinetics, results in a faster achievement of peak pharmacological activity. The synergy arises from simultaneously targeting the relevant pathways at both peripheral and central levels, yielding a coordinated physiological effect that modulates the mechanisms of elevated body temperature and peripheral signaling.

Dosage and Administration Information

How to use Compral — Administration Guidelines

This section outlines the administration instructions for the Compral combination product (Aspirin 400 mg / Paracetamol 100 mg / Caffeine 30 mg tablet). All stated usage patterns describe the standardized application of the medicine.

Feature Guideline
Route of administration Oral (taken by mouth as a tablet).
Dosing schedule (Adults) 1 to 2 tablets per dose. The lowest effective dose must be used.
Maximum 24-Hour Dose Not to exceed 4 doses (a maximum of 8 tablets).
Timing in relation to meals Not explicitly specified.
Preparation requirements The product is a ready-to-use tablet and does not require dilution or preparation.
Age-group administration rules Children (6 to 12 years): 1/2 to 1 tablet, 4 hourly, not exceeding 4 doses in 24 hours. Children (under 6 years): Only as prescribed by a physician.

Instruction Classifications

Classification Parameter
Administration method type Oral
Frequency pattern As-needed, administered 4 hourly.
Use-context constraints Use the lowest effective dose. Not for continuous use exceeding 10 days.

Resulting Procedural Structure

Step sequence:

  • The dose is taken orally and must be the lowest effective quantity (1 or 2 tablets).
  • Subsequent doses, if needed, are administered with an interval of 4 hours.
  • The total daily intake is restricted to a maximum of 8 tablets within a 24-hour cycle.
  • Administration should be limited in duration, not exceeding 10 consecutive days without review.

Connection to the overall use protocol: The administration framework establishes a standardized, time-bound protocol for oral intake, defining the precise dosage range and the required interval between administrations. This framework is governed by a strict maximum daily limit and a limit on the duration of continuous use. The instructions define the medicine's role as a scheduled, short-term agent.

Recent Clinical Evidence

Research evidence / Overview of studies for Compral


Evidence for use in Tension-Type Headache

Research for episodic tension-type headache has focused on short-term, randomized controlled trials (RCTs). These studies examined a specific scenario: treating a single, acute headache episode in adults. These trials monitored several outcomes related to physical discomfort, primarily focusing on the time taken for symptoms to change over time. Trial reports characterized outcomes when the triple combination of active ingredients was compared against a placebo. The overall body of evidence describes patterns observed in this acute setting.


Evidence for use in Acute Migraine Attacks

Research for acute migraine attacks relies heavily on randomized controlled trials (RCTs) and comprehensive systematic reviews. This evidence evaluated conditions associated with acute or disruptive episodes, specifically moderate to severe migraine pain in adults. Reports described findings where the inclusion of caffeine was observed to correlate with differences in both pain outcomes and the reported changes in associated migraine symptoms. Data show patterns related to the caffeine component's inclusion, describing a measured difference in pain outcomes when compared to dual-ingredient formulations.


Long-term Follow-up and Duration of Response

There is limited information for long-term outcomes or the consequences associated with using the combination frequently for recurring headaches. The overwhelming majority of official regulatory research is focused on short-term, acute relief, with endpoints measured within 2 to 6 hours. The existing studies research examined only immediate efficacy and generally do not address consequences associated with long-term, daily use. Subgroup findings are uncertain for specific patient characteristics, particularly for older adults.


What is Still Uncertain About Compral

While research contributes to understanding symptom patterns in acute pain, data for certain groups appears limited, particularly for older adults. Furthermore, the research addressing pain and fever associated with common conditions often relies on extrapolation from efficacy studies in other acute pain models, rather than on dedicated, large-scale clinical trials for every systemic illness. The available research highlights what is known — and what is still uncertain — about the evaluation of this fixed-dose combination.

Frequently Asked Questions (FAQ)

Common questions about Compral (FAQ)

Q: What kinds of pain is Compral typically used for?

A: Regulatory documents describe this product's use for symptomatic relief of pain that is classified as mild to moderate intensity. It is also explicitly utilized for the management of various febrile conditions, meaning those associated with a raised body temperature or fever.

Q: Is Compral generally considered a stronger pain reliever than acetaminophen?

A: Official documents describe the formulation as having a specific pharmacological rationale. The inclusion of caffeine is intended to potentiate, or enhance, the pain-relieving activity of the aspirin and paracetamol components. This combination is designed to work across multiple pathways simultaneously.

Q: Can Compral affect my ability to drive or operate machinery?

A: Official regulatory labels contain warnings that if you experience certain central nervous system side effects, such as dizziness or headaches, activities requiring mental alertness, such as driving or operating heavy machinery, should be avoided. Official warnings note that such activities should be avoided if those side effects are present.

Q: Does Compral have known interactions with common anti-depressants?

A: While the official product information may not list every specific drug, official product information suggests a need for awareness regarding medicines that affect the central nervous system or the metabolism of the active ingredients. This includes certain enzyme inhibitors, such as CYP1A2 inhibitors, which can alter the drug's concentration in the body.

Q: Does the efficacy of Compral change if taken with or without food?

A: The regulatory instructions do not explicitly specify that the medicine must be taken with or without food for efficacy. Taking the medicine with food may be suggested to reduce the likelihood of stomach upset, as noted in general patient guidance for products containing aspirin.

Q: What safety precautions are listed for older adults using Compral?

A: Official regulatory labels indicate that the use of this medicine should be approached with caution in older adults. This is because this population is noted to be more prone to experiencing adverse effects. Specifically, there is an increased potential risk for serious conditions such as gastrointestinal bleeding.

Q: Is Compral the same as a common over-the-counter pain reliever?

A: The product is classified as an Over-The-Counter (OTC) medicine in many regions. This means that, in many places, it is available for purchase without a written prescription. Its regulatory classification falls under analgesic and antipyretic combinations.

Q: How quickly does Compral usually start to work?

A: Clinical data indicates that the fixed-dose combination has a faster onset of action compared to its individual active ingredients. The drug's concentration in the bloodstream typically reaches its peak between 30 minutes and two hours after the dose is taken.

Q: Does Compral have the potential to cause drowsiness?

A: The official list of adverse effects does not specifically list drowsiness or sedation as a common event. In fact, due to the caffeine content, insomnia or trouble sleeping is frequently reported. However, other central nervous system effects like dizziness and lightheadedness are listed, which may signal altered alertness in some individuals.

Q: Is it okay to take Compral if I have high blood pressure?

A: Regulatory warnings associated with the aspirin and NSAID component caution that these types of medicines can be associated with fluid retention and may lead to an increase in blood pressure for some patients. Official documents indicate that this medicine should be used with caution in individuals who have pre-existing high blood pressure (hypertension).

Q: What is the typical timeframe for seeing the full benefits of Compral?

A: The medicine is primarily intended for acute, short-term relief for symptoms like headache and fever. The duration of its effective activity is reflected by the typical time interval set between administrations.

Q: Does taking Compral require a prescription in most places?

A: In most major regulatory regions, this specific fixed-dose combination of active ingredients is approved and made available as a non-prescription or Over-The-Counter (OTC) medicine. This means that a written prescription is generally not required for purchase.

Q: What should I do if I miss a dose of Compral?

A: The official patient information leaflets typically provide guidance for a missed dose. If you remember soon after the scheduled time, the instruction is generally to take the missed dose. However, if it is nearly time for your next dose, the instruction is to skip the forgotten dose and then continue with your regular schedule.

Q: Are there any warnings about taking Compral before surgery?

A: Official regulatory warnings related to the aspirin content advise that this medicine may increase the potential risk of bleeding. Official warnings suggest that the product should generally be discontinued for five to seven days before any planned elective surgery.

Q: Why is Compral sometimes referred to by a different name in other countries?

A: Compral is a specific brand or trade name given to this fixed-dose combination product. Because pharmaceutical companies use different proprietary names worldwide, the exact same combination of active ingredients (aspirin, paracetamol, and caffeine) is sold under many different trade names in various countries.

Q: What are the official sources for checking the full list of Compral's side effects?

A: The most complete and authoritative safety information is contained in the official prescribing documents issued by national regulatory authorities. These documents are generally known as the Summary of Product Characteristics (SmPC) or the Professional Information, which include the full, verified list of side effects.

How should Compral be stored and disposed of?

How to Store and Dispose of Compral

Compral tablets must be stored according to regulatory requirements to ensure the stability of the Aspirin, Paracetamol, and Caffeine combination.

Storage Requirements

Condition Requirement
Temperature Store at controlled room temperature (20 C to 25 C).
Protection Must be protected from moisture.
Safety Keep out of the sight and reach of children.

Disposal Instructions

Unused or expired Compral must not be thrown away in household waste or wastewater. Disposal should be carried out through a local pharmaceutical take-back program or in accordance with national regulatory requirements for drug waste.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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